Prior to a retransmission what happens to the CWmax value?

1. A. Reset to 0
2. B. Doubles and increases by 1
3. C. Increases by 1
4. D. Set to the value of the AIFSN

Correct Answer: B

A manufacturing facility has installed a new automation system which incorporates an 802.11 wireless network. The automation system is controlled from tablet computers connected via the WLAN. However, the automation system has not gone live due to problem with the tablets connecting to the WLAN. The WLAN vendor has been onsite to perform a survey and confirmed good primary and secondary coverage across the facility. As a CWAP you are called in to perform Spectrum Analysis to identify any interference sources. From the spectrum analysis, you did not identify any interference sources but were able to correctly identify the issue. Which of the following issues did you identify from the spectrum analysis?

1. A. The tablets are entering power save mode and failing to wake up to receive the access points transmissions
2. B. A high noise floor has resulted in a SNR of less than 20%
3. C. The tablets are connecting to the wrong SSID
4. D. There is a power mismatch between the APs and the clients

Correct Answer: A

Which one of the following statements is not true concerning DTIMs?

1. A. Buffered Broadcast and Multicast traffic will be transmitted following a DTIM
2. B. The DTIM interval can dictate when an STA will wake up to listen to beacon frames
3. C. DTIM stands for Delivery Traffic Indication Map
4. D. Every Beacon frame must contain a DTIM

Correct Answer: B

During a VHT Transmit Beamforming sounding exchange, the beamformee transmits a Compressed Beamforming frame to the beamformer. What is communicated within this Compressed Beamforming frame?

1. A. Steering Matrix
2. B. Beamforming Matrix
3. C. Feedback Matrix
4. D. Beamformee Matrix

Correct Answer: C

Which one of the following portions of information is communicated in the PHY Header?

1. A. Signal strength
2. B. Date rate
3. C. SNR
4. D. Noise

Correct Answer: D